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A drag racing car starts from rest at t=...

A drag racing car starts from rest at t=0 and moves along a straight line with velocity given by `v=bt^(2)`, where b is a constant. The expression for the distance traveled by this car from its position at t=0 is

A

`bt^(3)`

B

`bt^(3)//3`

C

`4bt^(2)`

D

`3bt^(2)`

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